diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py index 2a35989ee25a5e..d06d84cbdfcc36 100644 --- a/Lib/collections/__init__.py +++ b/Lib/collections/__init__.py @@ -1038,9 +1038,9 @@ def __repr__(self): return f'{self.__class__.__name__}({", ".join(map(repr, self.maps))})' @classmethod - def fromkeys(cls, iterable, *args): - 'Create a ChainMap with a single dict created from the iterable.' - return cls(dict.fromkeys(iterable, *args)) + def fromkeys(cls, iterable, value=None, /): + 'Create a new ChainMap with keys from iterable and values set to value.' + return cls(dict.fromkeys(iterable, value)) def copy(self): 'New ChainMap or subclass with a new copy of maps[0] and refs to maps[1:]'